OCR AS Biology : Unit 1 (F212) : Cells, exchange and transport.

Cell organelles

Define the following terms

Buffer: ................................................................................................................................................................. .............................................................................................................................................................................

Cell Membrane: .................................................................................................................................................. .............................................................................................................................................................................

Cell Wall: ............................................................................................................................................................. .............................................................................................................................................................................

Centrifuge: .......................................................................................................................................................... .............................................................................................................................................................................

Centrioles: ........................................................................................................................................................... .............................................................................................................................................................................

Chloroplast: ......................................................................................................................................................... .............................................................................................................................................................................

Chromatin: .......................................................................................................................................................... .............................................................................................................................................................................

Cilia: .................................................................................................................................................................... .............................................................................................................................................................................

Cytoplasm: .......................................................................................................................................................... .............................................................................................................................................................................

Cytoskeleton: ...................................................................................................................................................... .............................................................................................................................................................................

Fractionation: ...................................................................................................................................................... .............................................................................................................................................................................

Golgi Body/apparatus: ........................................................................................................................................ .............................................................................................................................................................................

Isotonic: .............................................................................................................................................................. .............................................................................................................................................................................

Lysosome: ........................................................................................................................................................... .............................................................................................................................................................................

Mitochondria: ..................................................................................................................................................... .............................................................................................................................................................................

Nuclear Pore: ...................................................................................................................................................... .............................................................................................................................................................................

Nuclear membrane: ............................................................................................................................................ .............................................................................................................................................................................

Nucleus: .............................................................................................................................................................. .............................................................................................................................................................................

Nucleolus: ........................................................................................................................................................... .............................................................................................................................................................................

Organelle: ........................................................................................................................................................... .............................................................................................................................................................................

Plasmodesmata: .................................................................................................................................................. .............................................................................................................................................................................

Ribosome: ........................................................................................................................................................... .............................................................................................................................................................................

Rough Endoplasmic Reticulum (RER) : ................................................................................................................ .............................................................................................................................................................................

Smooth Endoplasmic Reticulum (SER) : .............................................................................................................. .............................................................................................................................................................................

Vacuole: .............................................................................................................................................................. .............................................................................................................................................................................

Complete the sentences use the words in bold

2 1000 aerobic ATP carbohydrates cell surface chromosomes compartmentalised cristae cytoplasm endoplasmic reticulum energy enzymes enzyme exocytosis filtered flattened free fuse golgi apparatus higher homogenised isolate largest lipids lysosome matrix membrane membranes modified nuclear pores nucleolus organelles pH pinched protein synthesis proteins reactions respun ribosomes RNA rupturing substances surface area water

_________ refers to the jelly-like material with organelles in it. It consists mainly of __________ with dissolved substances such as amino acids in it. Also present in the cytoplasm are larger proteins and __________ used in reactions within the cell. Within the cytoplasm are ______________ , a series of __________________ structures surrounded by membranes. These provided a separate and dedicated space for